This brings back most of maths & Phys I've learned in school. holy cow. I am so rusty. need to visit gobase.org again. "Go forth and spread the good news about τ.

I believe the strongest argument in favor of τ is "The complex exponential of the circle constant is unity." If we surrender to this list of Five-O-Metrics: 0, 1, e, i, τ . The last one can also be remembered as 666 over 106. How awesome can any other order of numbers be?